Deep Bass Sound - 8mm drivers support high-quality audio. Ergonomic fit seals ears to block external noises. Up to 8 hours on a single charge - additional 24 hours with charging/storage case. Speed charge an extra 2 hours with 10 minute charge. Ambient Aware & TalkThru. VoiceAware lets you balance how much of your own voice you hear during calls. IP54 Rated dust and water resistant. JBL Headphones app - transform earbuds to your ideal audio settings. Power supply: 5V 1A. Includes: 3 Eartip sizes. USB Type-C charging cable.